804080880391 has 2 divisors, whose sum is σ = 804080880392. Its totient is φ = 804080880390.

The previous prime is 804080880373. The next prime is 804080880409. The reversal of 804080880391 is 193088080408.

It is a balanced prime because it is at equal distance from previous prime (804080880373) and next prime (804080880409).

It is a cyclic number.

It is not a de Polignac number, because 804080880391 - 2⁷ = 804080880263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (804080884391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402040440195 + 402040440196.

It is an arithmetic number, because the mean of its divisors is an integer number (402040440196).

Almost surely, 2^804080880391 is an apocalyptic number.

804080880391 is a deficient number, since it is larger than the sum of its proper divisors (1).

804080880391 is an equidigital number, since it uses as much as digits as its factorization.

804080880391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 49.

The spelling of 804080880391 in words is "eight hundred four billion, eighty million, eight hundred eighty thousand, three hundred ninety-one".